212113111302 has 24 divisors (see below), whose sum is σ = 460132817040. Its totient is φ = 70619076720.

The previous prime is 212113111291. The next prime is 212113111319. The reversal of 212113111302 is 203111311212.

212113111302 is a `hidden beast` number, since 212 + 11 + 311 + 130 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7092474 + ... + 7122317.

It is an arithmetic number, because the mean of its divisors is an integer number (19172200710).

Almost surely, 2^212113111302 is an apocalyptic number.

212113111302 is an abundant number, since it is smaller than the sum of its proper divisors (248019705738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212113111302 is a wasteful number, since it uses less digits than its factorization.

212113111302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14215628 (or 14215625 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 212113111302 its reverse (203111311212), we get a palindrome (415224422514).

The spelling of 212113111302 in words is "two hundred twelve billion, one hundred thirteen million, one hundred eleven thousand, three hundred two".